Einstein ring

短语

词形变化

Einstein rings 复数 Einstein rings

释义与例句

n.
  1. 1.

    A ring-shaped gravitational mirage; an image of a distant light source, such as a galaxy, which has been distorted into a ring by a gravitational lens.

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词源

Named after Albert Einstein, whose theory of general relativity predicted gravitational lensing.

来源：wiktionary